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  • Committer: Brian Aker
  • Date: 2009-05-20 23:51:08 UTC
  • mfrom: (1022.2.18 mordred)
  • Revision ID: brian@gaz-20090520235108-nb5he1em112798pb
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drizzled/sql_base.h
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#ifndef DRIZZLED_SQL_BASE_H
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#define DRIZZLED_SQL_BASE_H
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#include <stdint.h>
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#include <drizzled/table.h>
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#include <drizzled/table/concurrent.h>
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namespace drizzled
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{
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class TableShare;
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class Name_resolution_context;
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void table_cache_free(void);
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bool table_cache_init(void);
 
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bool table_def_init(void);
 
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void table_def_free(void);
 
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void assign_new_table_id(TableShare *share);
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uint32_t cached_open_tables(void);
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uint32_t cached_table_definitions(void);
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table::Cache &get_open_cache();
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void kill_drizzle(void);
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/* sql_base.cc */
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void set_item_name(Item *item,char *pos,uint32_t length);
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bool add_field_to_list(Session *session, LEX_STRING *field_name, enum enum_field_types type,
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                       char *length, char *decimal,
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                       uint32_t type_modifier,
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                       enum column_format_type column_format,
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                       Item *default_value, Item *on_update_value,
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                       LEX_STRING *comment,
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                       char *change, List<String> *interval_list,
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                       const CHARSET_INFO * const cs);
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CreateField * new_create_field(Session *session, char *field_name, enum_field_types type,
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                               char *length, char *decimals,
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                               uint32_t type_modifier,
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                               Item *default_value, Item *on_update_value,
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                               LEX_STRING *comment, char *change,
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                               List<String> *interval_list, CHARSET_INFO *cs);
 
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                       char *length, char *decimal,
 
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                       uint32_t type_modifier,
 
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           enum column_format_type column_format,
 
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                       Item *default_value, Item *on_update_value,
 
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                       LEX_STRING *comment,
 
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                       char *change, List<String> *interval_list,
 
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                       const CHARSET_INFO * const cs);
 
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Create_field * new_create_field(Session *session, char *field_name, enum_field_types type,
 
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                                char *length, char *decimals,
 
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                                uint32_t type_modifier,
 
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                                Item *default_value, Item *on_update_value,
 
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                                LEX_STRING *comment, char *change,
 
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                                List<String> *interval_list, CHARSET_INFO *cs);
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void store_position_for_column(const char *name);
 
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bool add_to_list(Session *session, SQL_LIST &list,Item *group,bool asc);
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bool push_new_name_resolution_context(Session *session,
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                                      TableList *left_op,
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                                      TableList *right_op);
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void add_join_on(TableList *b,Item *expr);
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void add_join_natural(TableList *a,TableList *b,List<String> *using_fields,
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                      Select_Lex *lex);
 
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void unlink_open_table(Session *session, Table *find, bool unlock);
 
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void drop_open_table(Session *session, Table *table, const char *db_name,
 
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                     const char *table_name);
 
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void update_non_unique_table_error(TableList *update,
 
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                                   const char *operation,
 
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                                   TableList *duplicate);
 
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SQL_SELECT *make_select(Table *head, table_map const_tables,
 
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                        table_map read_tables, COND *conds,
 
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                        bool allow_null_cond,  int *error);
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extern Item **not_found_item;
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/**
 
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/*
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  A set of constants used for checking non aggregated fields and sum
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  functions mixture in the ONLY_FULL_GROUP_BY_MODE.
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*/
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enum enum_group_by_mode_type
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{
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  NON_AGG_FIELD_USED= 0,
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  SUM_FUNC_USED
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};
 
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#define NON_AGG_FIELD_USED  1
 
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#define SUM_FUNC_USED       2
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/**
 
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/*
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  This enumeration type is used only by the function find_item_in_list
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  to return the info on how an item has been resolved against a list
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  of possibly aliased items.
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  RESOLVED_WITH_NO_ALIAS,
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  RESOLVED_AGAINST_ALIAS
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};
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Item ** find_item_in_list(Session *session,
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                          Item *item, List<Item> &items, uint32_t *counter,
 
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Item ** find_item_in_list(Item *item, List<Item> &items, uint32_t *counter,
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                          find_item_error_report_type report_error,
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                          enum_resolution_type *resolution);
 
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bool get_key_map_from_key_list(key_map *map, Table *table,
 
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                               List<String> *index_list);
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bool insert_fields(Session *session, Name_resolution_context *context,
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                   const char *db_name, const char *table_name,
 
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                   const char *db_name, const char *table_name,
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                   List_iterator<Item> *it, bool any_privileges);
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bool setup_tables(Session *session, Name_resolution_context *context,
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                  List<TableList> *from_clause, TableList *tables,
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                                   TableList *tables,
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                                   TableList **leaves,
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                                   bool select_insert);
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int setup_wild(Session *session, List<Item> &fields,
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               List<Item> *sum_func_list,
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               uint32_t wild_num);
 
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int setup_wild(Session *session, TableList *tables, List<Item> &fields,
 
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               List<Item> *sum_func_list, uint32_t wild_num);
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bool setup_fields(Session *session, Item** ref_pointer_array,
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                  List<Item> &item, enum_mark_columns mark_used_columns,
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                  List<Item> *sum_func_list, bool allow_sum_func);
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                    allow_sum_func);
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  return res;
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}
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int setup_conds(Session *session, TableList *leaves, COND **conds);
 
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int setup_conds(Session *session, TableList *tables, TableList *leaves,
 
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                COND **conds);
 
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int setup_ftfuncs(Select_Lex* select);
 
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int init_ftfuncs(Session *session, Select_Lex* select, bool no_order);
 
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void wait_for_condition(Session *session, pthread_mutex_t *mutex,
 
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                        pthread_cond_t *cond);
 
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int open_tables(Session *session, TableList **tables, uint32_t *counter, uint32_t flags);
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/* open_and_lock_tables with optional derived handling */
 
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int open_and_lock_tables_derived(Session *session, TableList *tables, bool derived);
 
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/* simple open_and_lock_tables without derived handling */
 
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inline int simple_open_n_lock_tables(Session *session, TableList *tables)
 
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{
 
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  return open_and_lock_tables_derived(session, tables, false);
 
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}
 
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/* open_and_lock_tables with derived handling */
 
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inline int open_and_lock_tables(Session *session, TableList *tables)
 
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{
 
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  return open_and_lock_tables_derived(session, tables, true);
 
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}
 
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/* simple open_and_lock_tables without derived handling for single table */
 
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Table *open_n_lock_single_table(Session *session, TableList *table_l,
 
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                                thr_lock_type lock_type);
 
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bool open_normal_and_derived_tables(Session *session, TableList *tables, uint32_t flags);
 
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int lock_tables(Session *session, TableList *tables, uint32_t counter, bool *need_reopen);
 
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int decide_logging_format(Session *session);
 
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Table *open_temporary_table(Session *session, const char *path, const char *db,
 
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                            const char *table_name, bool link_in_list,
 
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                            open_table_mode open_mode);
 
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bool rm_temporary_table(StorageEngine *base, char *path);
 
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void free_io_cache(Table *entry);
 
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void intern_close_table(Table *entry);
 
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bool close_thread_table(Session *session, Table **table_ptr);
 
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void close_temporary_tables(Session *session);
 
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void close_tables_for_reopen(Session *session, TableList **tables);
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TableList *find_table_in_list(TableList *table,
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                               TableList *TableList::*link,
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                               const char *db_name,
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                               const char *table_name);
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TableList *unique_table(TableList *table, TableList *table_list,
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                        bool check_alias= false);
 
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TableList *unique_table(Session *session, TableList *table, TableList *table_list,
 
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                         bool check_alias);
 
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Table *find_temporary_table(Session *session, const char *db, const char *table_name);
 
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Table *find_temporary_table(Session *session, TableList *table_list);
 
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int drop_temporary_table(Session *session, TableList *table_list);
 
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void close_temporary_table(Session *session, Table *table, bool free_share,
 
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                           bool delete_table);
 
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void close_temporary(Table *table, bool free_share, bool delete_table);
 
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bool rename_temporary_table(Table *table, const char *new_db, const char *table_name);
 
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void remove_db_from_cache(const char *db);
 
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void flush_tables();
 
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bool is_equal(const LEX_STRING *a, const LEX_STRING *b);
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/* bits for last argument to table::Cache::singleton().removeTable() */
 
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/* bits for last argument to remove_table_from_cache() */
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#define RTFC_NO_FLAG                0x0000
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#define RTFC_OWNED_BY_Session_FLAG      0x0001
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#define RTFC_WAIT_OTHER_THREAD_FLAG 0x0002
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#define RTFC_CHECK_KILLED_FLAG      0x0004
 
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bool remove_table_from_cache(Session *session, const char *db, const char *table,
 
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                             uint32_t flags);
 
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#define NORMAL_PART_NAME 0
 
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#define TEMP_PART_NAME 1
 
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#define RENAMED_PART_NAME 2
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void mem_alloc_error(size_t size);
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bool fill_record(Session* session, List<Item> &fields, List<Item> &values, bool ignore_errors= false);
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bool fill_record(Session *session, Field **field, List<Item> &values, bool ignore_errors= false);
 
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#define WFRM_WRITE_SHADOW 1
 
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#define WFRM_INSTALL_SHADOW 2
 
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#define WFRM_PACK_FRM 4
 
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#define WFRM_KEEP_SHARE 8
 
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bool close_cached_tables(Session *session, TableList *tables, bool have_lock,
 
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                         bool wait_for_refresh, bool wait_for_placeholders);
 
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bool close_cached_connection_tables(Session *session, bool wait_for_refresh,
 
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                                    LEX_STRING *connect_string,
 
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                                    bool have_lock= false);
 
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void copy_field_from_tmp_record(Field *field,int offset);
 
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bool fill_record(Session * session, List<Item> &fields, List<Item> &values, bool ignore_errors);
 
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bool fill_record(Session *session, Field **field, List<Item> &values, bool ignore_errors);
 
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OPEN_TableList *list_open_tables(const char *db, const char *wild);
 
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inline TableList *find_table_in_global_list(TableList *table,
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                                             const char *db_name,
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                                             const char *table_name)
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                            db_name, table_name);
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}
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} /* namespace drizzled */
 
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inline TableList *find_table_in_local_list(TableList *table,
 
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                                            const char *db_name,
 
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                                            const char *table_name)
 
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{
 
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  return find_table_in_list(table, &TableList::next_local,
 
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                            db_name, table_name);
 
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}
 
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#endif /* DRIZZLED_SQL_BASE_H */